The methods of image processing included gray transformation, threshold segmentation, logic calculation, spatial filter and so on. They were all analyzed in great detail.
论文对所用到的图像预处理的方法都进行了详细的分析，并给出了它们的算法框图或部分源代码，也对比了各种方法处理前后的效果。
This paper mainly tells us the ways of image gray transformation, including linear gray transformation, nonlinear gray transformation and the approach of histogram equalization.
此文主要研究用于增强图像的灰度变换方法，包括线性灰度变换、非线性灰度变换与直方图均衡化方法。
After the gray transformation and the histogram equalization, these images were filtered by a frequency-domain homomorphic filter, hence noises in the images were greatly reduced.
利用自开发软件，对图像进行灰度变换和直方图均衡化处理后，采用频域同态滤波的方法对图像进行降噪滤波处理。
Traditional histogram equalization and gray-scale transformation algorithms can't realize the enhancement of the target in the infrared image effectively.
传统的直方图均衡和灰度变换增强算法，不能针对红外图像的目标进行有效地增强。
Thus, we propose that the blend of a full-color image can be viewed as superposition of two complementary gray - level transformation images.
这样，可将图像的合成看作两幅图像互补的灰度变换的叠加。
In this paper, a gray image encryption arithmetic based on chaotic sequences is proposed by taking advantage of the encryption template matrix and sort transformation.
讨论了一种以实数值混沌序列为基础，利用加密模板矩阵和排序变换，给出一种灰度图像的加密算法。
This paper introduces some classical approaches and some other ways such as in direct change detection adding the gray level classification, mending the m canonical transformation method.
本文在介绍经典变化检测方法的基础上，提出了在直接检测方法中加入灰度自动分类的方法，并进一步对M典型变换做改进。
The general theories of gray correction methods for the medical ultrasonic image are introduced in this paper, including gray level correction, gray level transformation and histogram correction.
介绍了超声医学图像灰度校正常用方法的基本原理，这些方法主要有灰度级校正、灰度变换及直方图修正。
Based on invariance of the cross-ratio in projective transformation, this paper designed a gray artificial landmark for vision-based recognition by shape information.
本文以射影变换下的复比不变性为理论基础，设计了一种可基于形状信息进行视觉识别的灰度人工路标。
The results show that the eutectic transformation temperature of gray iron decreases with the increase of antimony content.
结果表明，随着锑含量的增加，灰口铁共晶转变温度降低；
And the adsorption isotherm of it to phenol was obtained. Results indicated that the AI-MFI-type adsorbent synthesized from the transformation process was gray and had better adsorption.
实验结果表明：由煤矸石在蒸汽相中自转变合成的AI - MF I型吸附剂颜色为灰白色，有较好的吸附性能。
Study the theoretical analysis on gray target transformation.
对灰靶理论的灰靶变换进行了理论基础分析。
The experiment results show that the system can realize infrared image gray level transformation, suppress background and upgrade target in a certain extent.
实验结果表明，该系统能很好地实现红外图形灰度变换，并在一定程度上抑制了背景，提升了目标。
On the basis of fuzzy enhancement gray scale linear transformation is used to improve image enhancement result further.
在模糊增强的基础上进行灰度线性变换，进一步改善图像的增强效果。
The traditional image enhancement approaches include gray-scale transformation, histogram modification, histogram equalization, image smoothing and Wiener filtration.
传统的图像增强方法有灰度变换、直方图修正、直方图均衡、图像平滑和维纳滤波。
The optimal iterative search process includes the selection of the parameter optimization algorithm, the gray interpolation calculation during the process of coordinate transformation.
其中优化迭代搜索过程又包括各参数优化算法的选取、坐标变换过程中灰度的插值计算等。
Firstly, considering the requirement for time crisis, a gray-level transformation method based on shifting operation is put forward.
首先，根据移动机器人的实时性要求提出了基于移位运算的灰度变换方法。
It is a transformation of the gray level and can change visual perception impression of the image.
超图像观察窗是图像增强处理的一种方式，即灰度变换，它能改变图像的视觉印象。
The method of enhancing the cell image includes gray-scale transformation, histogram modification, image smoothing and image sharpening etc.
细胞图像增强主要采用灰度变换、直方图修正、图像平滑、图像锐化等方法。
The method of enhancing the cell image include gray-scale transformation, histogram modification, image smoothing and image sharpening etc.
细胞图象增强主要采用灰度变换、直方图修正、图象平滑、图象锐化等方法。
MFC to achieve a variety of gray-scale image point operations, such as anti-color images, the window transform, linear transformation, threshold transform, gray balance, etc.
说明：MF C实现灰度图像的各种点运算，如图像反色，窗口变换，线性变换，阈值变换，灰度均衡等。
Treat with plate grain image got by video using methods of gray level transformation, median filter, erosion, expansion and so on, gain the image which only includes grain, then detect brim of grain.
对视频采集到的板材纹理图像进行灰度化、中值滤波去噪、二值化、腐蚀、膨胀等处理，得到仅包含目标纹理的图像后检测纹理边缘。
When the original image point multiply the transformation matrix, a new image position, the position may not integer, this position gray value by gray interpolation gain needed.
当原始图像点乘以变换矩阵，得到新的图像位置点时，其位置可能不是整数值，该位置的灰度值需要通过灰度插值获得。
The main features of the system are piecewise linear gray level transformation, slope angle adjustment, mapping and normalization, feature distilling.
本系统主要特征是分段线性灰度变换、斜度调整、射归一、征提取。
The use of image denoising, gray-scale transformation, histogram equalization, and uneven background correction techniques make the image more easily processed and analyzed.
采用图像去噪、灰度变换、直方图均衡化以及非均匀背景修正技术等提高了原始图像成分的清晰度，使图像变得更便于计算机分析和处理。
This article introduced the image fusion algorithms of gray-scale-based images, color-space conversion and transformation domain respectively.
本文分别介绍了基于图像灰度、颜色空间变换和变换域的三种图像融合算法。
This article introduces a method of edge extraction of yarn balloon, which bases on mathematic morphology and the transformation of dynamical gray algorithm.
介绍了一种基于数学形态学和动态灰度变化方法相结合的纱线气圈边缘提取方法。
To obtain defect images through appropriate approach and conduct gray-level transformation, and the images are enhancement processed with median filtering, so as to get ready for further processing.
通过确当的途径获取缺陷图像，并对图像进行灰度变换，中值滤波对图像进行增强处理，为下一步图像的进一步的处理做前期的准备。
Local difference transform is invariant against any monotonic transformation of the gray scale.
局部差分变换具有灰度线性不变性，可消除光照变化对纹理分析的影响。
Local difference transform is invariant against any monotonic transformation of the gray scale.
局部差分变换具有灰度线性不变性，可消除光照变化对纹理分析的影响。
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